WELL · 42-335-33658 · DISTRICT 8
Strain #81
Mitchell County · Van Gogh N. (Ellenburger) field · Vertical
Strain #81 (API 42-335-33658) is a plugged well in Mitchell County, plugged January 30, 1995, last operated by Dunigan Operating Company Inc..
The RRC has issued one drilling permit, issued December 30, 1993, permitted to 8,400 ft.
Completion filings report 3 formation tops, including Strawn, Mississippian, Ellenburger.
Its lease has reported 2.94K barrels of oil and 6 mcf of gas since March 1994, last reporting in April 1995.
Operator of record
Dunigan Operating Company Inc.
Austin, TX · P-5 Y, filed Jan 4, 2026 · 16 permits on file · (512) 334-9467
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dunigan Operating Company Inc. |
| Production reports | Dunigan Operating Company, Inc.through Jan 1995 |
| Latest permit | Dunigan Operating Co., Inc.Dec 30, 1993 |
- 8,400
- total depth, ft
- 1
- permits on file
- Dec 30, 1993
- last permit issued
- Mar 8, 1994
- completed
- 2.94K
- cumulative oil, bbl
- 6
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 1994 THROUGH Apr 1995
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 8, 1994
- Shut in
- —
- Plugged
- Jan 30, 1995
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Strain O-10-34131 | Van Gogh, N. (Ellenburger) | Dunigan Operating Company, Inc. | 1 | 2.94K | 6 | Mar 1994 – Apr 1995 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dunigan Operating Company, Inc.Mar 1994 → Jan 1995
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 419775-99 | Drill | Dunigan Operating Co., Inc. | Dec 30, 1993 | Dec 30, 1993 | Jan 3, 1994 | 8,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-34131 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,273 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Strawn | 7,632 | -5,359 |
| Mississippian | 8,080 | -5,807 |
| Ellenburger | 8,254 | -5,981 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,256 | 8,263 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 362 | 17.25 | 400 S |
| 8.625 | 2,200 | 12.25 | 600 S |
| 5.5 | 8,310 | 7.875 | 310 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 10, 1994 | Mar 11, 1994 | Yes |
| 00 | Apr 22, 1994 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-335-33658 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-335-33658 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/33533658, documented in the API reference.